{"Entry":{"collection":"psql","key":"cmd-75-6e-73-65-74","name":"\\unset","aliases":["\\unset"],"metadata":{"aliases":["\\unset"],"category":"Scripting and assistance","content_hash":"cd73d388793437c3a415908e62f06012d58d5296c1cdac73e04382b7f3e708ce","imported_at":"2026-09-30T00:40:45.221182+08:00","name":"\\unset","name_zh":"","slug":"cmd-75-6e-73-65-74","summary":"Unsets (deletes) the psql variable name ."}},"Definition":{"Collection":"psql","Key":"cmd-75-6e-73-65-74","SourceDatabase":"center","Version":"18","SourceTable":"psql_command","SourceKey":"cmd-75-6e-73-65-74","SourceRevision":"ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8","Facts":{"command":"\\unset","comparison_data":{"definition":"Unsets (deletes) the psql variable name . Most variables that control psql 's behavior cannot be unset; instead, an \\unset command is interpreted as setting them to their default values. 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See \u003ca class=\"xref\" href=\"/docs/18/app-psql.html#APP-PSQL-VARIABLES\" title=\"Variables\"\u003eVariables\u003c/a\u003e below.\u003c/p\u003e\n\u003c/dd\u003e\u003c/dl\u003e\u003c/div\u003e","manual_path":"app-psql.html#APP-PSQL-META-COMMAND-UNSET","modifiers":[],"related":[{"label":"psql command-line options and complete manual","url":"/wiki/tool/psql/?v=18"}],"release":{"channel":"stable","evidence_kind":"English manual and source declarations","label":"18.6","major":"18","manifest":{"index":"index.html","major":"18","pages":1148,"pdf":{"A4":{"built_at":"2026-09-26","bytes":15865106,"pages":3154,"sha256":"19512c405da53f9f7fcf0abba359223aa65f021be025bf3411381918f92e3190","url":"/files/documentation/pdf/18/postgresql-18-A4.pdf"},"US":{"built_at":"2026-09-26","bytes":15748059,"pages":3328,"sha256":"facbe6c229e598b872d3d98bef53308f46e06746006fa4590de9a7de9dd46319","url":"/files/documentation/pdf/18/postgresql-18-US.pdf"}},"release":"18.6","source_mode":"en SGML built with pinned official archive","source_sha256":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","source_url":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2","svg_assets":3,"tree":"18"},"ref":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2","revision":"ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8","source_sha256":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"},"sections":[],"signature":"\\unset name","sources":[{"anchor":"APP-PSQL-META-COMMAND-UNSET","file":"app-psql.html","label":"18.6 English manual · app-psql.html","sha256":"fa2a1d39294b8854318e82e93f71272c645ed88150ecc2786c28902c3f32782c","url":"/docs/18/app-psql.html#APP-PSQL-META-COMMAND-UNSET"}],"spellings":["\\unset"],"tables":[{"columns":[{"key":"command","label":"Command"},{"key":"modifiers","label":"Documented suffix modifiers"}],"key":"spellings","rows":[{"command":{"text":"\\unset","url":"/wiki/psql/cmd-75-6e-73-65-74/?v=18"},"modifiers":"None listed in this signature"}],"title":"Spellings in this manual definition"}]},"ManualEvidence":{"manual_path":"app-psql.html#APP-PSQL-META-COMMAND-UNSET","release":{"channel":"stable","evidence_kind":"English manual and source declarations","label":"18.6","major":"18","manifest":{"index":"index.html","major":"18","pages":1148,"pdf":{"A4":{"built_at":"2026-09-26","bytes":15865106,"pages":3154,"sha256":"19512c405da53f9f7fcf0abba359223aa65f021be025bf3411381918f92e3190","url":"/files/documentation/pdf/18/postgresql-18-A4.pdf"},"US":{"built_at":"2026-09-26","bytes":15748059,"pages":3328,"sha256":"facbe6c229e598b872d3d98bef53308f46e06746006fa4590de9a7de9dd46319","url":"/files/documentation/pdf/18/postgresql-18-US.pdf"}},"release":"18.6","source_mode":"en SGML built with pinned official archive","source_sha256":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","source_url":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2","svg_assets":3,"tree":"18"},"ref":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2","revision":"ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8","source_sha256":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"},"sources":[{"anchor":"APP-PSQL-META-COMMAND-UNSET","file":"app-psql.html","label":"18.6 English manual · app-psql.html","sha256":"fa2a1d39294b8854318e82e93f71272c645ed88150ecc2786c28902c3f32782c","url":"/docs/18/app-psql.html#APP-PSQL-META-COMMAND-UNSET"}]},"MeasuredEvidence":{}},"Text":{"Collection":"psql","Key":"cmd-75-6e-73-65-74","SourceDatabase":"center","Version":"18","Locale":"en","Title":"\\unset","Summary":"Unsets (deletes) the psql variable name .","BodyHTML":"\u003cdiv\u003e\u003cdl\u003e\u003cdt id=\"APP-PSQL-META-COMMAND-UNSET\"\u003e\u003cspan\u003e\u003ccode\u003e\\unset \u003cem\u003e\u003ccode\u003ename\u003c/code\u003e\u003c/em\u003e\u003c/code\u003e\u003c/span\u003e \u003c/dt\u003e\u003cdd\u003e\n\u003cp\u003eUnsets (deletes) the \u003cspan\u003epsql\u003c/span\u003e variable \u003cem\u003e\u003ccode\u003ename\u003c/code\u003e\u003c/em\u003e.\u003c/p\u003e\n\u003cp\u003eMost variables that control \u003cspan\u003epsql\u003c/span\u003e\u0026#39;s behavior cannot be unset; instead, an \u003ccode\u003e\\unset\u003c/code\u003e command is interpreted as setting them to their default values. See \u003ca href=\"/docs/18/app-psql.html#APP-PSQL-VARIABLES\" title=\"Variables\" rel=\"nofollow\"\u003eVariables\u003c/a\u003e below.\u003c/p\u003e\n\u003c/dd\u003e\u003c/dl\u003e\u003c/div\u003e","SourceRevision":"ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8","ContentHash":"7dc170fc560362ffd9f663337172bd38701e419afb769158412228dc7ab27402","Payload":{"description":["Unsets (deletes) the psql variable name ."],"manual_html":"\u003cdiv\u003e\u003cdl class=\"variablelist\"\u003e\u003cdt id=\"APP-PSQL-META-COMMAND-UNSET\"\u003e\u003cspan class=\"term\"\u003e\u003ccode class=\"literal\"\u003e\\unset \u003cem class=\"replaceable\"\u003e\u003ccode\u003ename\u003c/code\u003e\u003c/em\u003e\u003c/code\u003e\u003c/span\u003e \u003c/dt\u003e\u003cdd\u003e\n\u003cp\u003eUnsets (deletes) the \u003cspan class=\"application\"\u003epsql\u003c/span\u003e variable \u003cem class=\"replaceable\"\u003e\u003ccode\u003ename\u003c/code\u003e\u003c/em\u003e.\u003c/p\u003e\n\u003cp\u003eMost variables that control \u003cspan class=\"application\"\u003epsql\u003c/span\u003e's behavior cannot be unset; instead, an \u003ccode class=\"literal\"\u003e\\unset\u003c/code\u003e command is interpreted as setting them to their default values. See \u003ca class=\"xref\" href=\"/docs/18/app-psql.html#APP-PSQL-VARIABLES\" title=\"Variables\"\u003eVariables\u003c/a\u003e below.\u003c/p\u003e\n\u003c/dd\u003e\u003c/dl\u003e\u003c/div\u003e","related":[{"label":"psql command-line options and complete manual","url":"/wiki/tool/psql/?v=18"}],"sections":[],"tables":[{"columns":[{"key":"command","label":"Command"},{"key":"modifiers","label":"Documented suffix modifiers"}],"key":"spellings","rows":[{"command":{"text":"\\unset","url":"/wiki/psql/cmd-75-6e-73-65-74/?v=18"},"modifiers":"None listed in this signature"}],"title":"Spellings in this manual definition"}]}},"RequestedLocale":"zh-Hans","Fallback":true,"Versions":["10","11","12","13","14","15","16","17","18","19","20"],"Locales":["en"],"Signatures":null,"Spellings":[{"Version":"18","Ordinal":0,"Command":"\\unset","Signature":"\\unset name","Modifiers":[]}],"SQLState":null,"Evidence":null}